Home / 7,020,652.48-10,531,386.96-1,972,356.64

Finding the Fourth Proportional to 7,020,652.48, 10,531,386.96 and 1,972,356.64

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Solution

The fourth proportional to 7,020,652.48, 10,531,386.96 and 1,972,356.64 is: 2,958,649.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,652.48 : 10,531,386.96 = 1,972,356.64 : x
  2. Step 2: Convert to fraction form
    7,020,652.48/10,531,386.96 = 1,972,356.64/x
  3. Step 3: Cross multiply
    7,020,652.48x = 10,531,386.96 × 1,972,356.64
  4. Step 4: Simplify right side
    7,020,652.48x = 20,771,650,998,965.41
  5. Step 5: Solve for x
    x = 20,771,650,998,965.41/7,020,652.48
  6. Step 6: Final answer
    x = 2,958,649.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.